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Date: Thu, 06 Jul 2017 14:50:16 +0100
From: Adam Hill <>
Subject: Possible issue around utime() and symlinks on at least MIPS64


	Not carried out ANY investigation around this... unfortunately I don't have any time 
atm. Could also have been mentioned already or actually be a bug in tar itself etc. but I 
couldn't find anything with my quick search. Just thought I'd mention it in case anyone does 
feel inclined to investigate.

	I compiled OpenWrt using pretty much default build settings for an octeon chip... it 
uses musl-1.1.16. The only real change I made was to use GNU tar rather than busybox. The 
resulting tar binary can't fix the modification/access times on any extracted symbolic links, 
resulting in for example:

tar: usr/share/zoneinfo/Africa: Cannot utime: Invalid argument

	I didn't have strace available so can't even be sure tar's using utime()... just going 
by the error message alone.

	I recompiled OpenWrt changing only the C library ( to GCC ) and the resulting tar 
binary worked fine... so I can only *assume* it's something to do with musl.

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